# coding=utf-8

def test() :
    d = "fdfdf"
    print(4/3);

def add(a, b) :
    return a + b;


def minus(a, b) :
    return a - b ;

def weekDay(day) :
    index = day % 7
    if index == 1:
        return "星期一"
    elif index ==2 :
        return "星期二"

    # if index == 1:
    #     return "星期一"
    #
    # if index <= 1 and index ==2:
    #     return "星期一"

    # if index == 2:
    #     return "星期二"
    # if index == 3:
    #     return "星期三"
    # if index == 4:
    #     return "星期四"
    # if index == 5:
    #     return "星期五"

if __name__ == '__main__':
    print(weekDay(72));